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authorTom Rini <trini@ti.com>2013-03-14 05:32:47 +0000
committerMarek Vasut <marex@denx.de>2013-04-10 13:39:55 +0200
commitb3ba6e94b8298422aa98961fdd30890f3dd83cc5 (patch)
treebf8e077531d37df83c3f2605f6bde52ac8786e81
parent645b271a6039e79b368f027a5624dc0820441733 (diff)
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README: Document current DFU CONFIG options
Add documentation for the current DFU config options. DFU is a standard USB device class so more information is available from usb.org Signed-off-by: Tom Rini <trini@ti.com>
-rw-r--r--README13
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--- a/README
+++ b/README
@@ -1344,6 +1344,19 @@ The following options need to be configured:
CONFIG_SH_MMCIF_CLK
Define the clock frequency for MMCIF
+- USB Device Firmware Update (DFU) class support:
+ CONFIG_DFU_FUNCTION
+ This enables the USB portion of the DFU USB class
+
+ CONFIG_CMD_DFU
+ This enables the command "dfu" which is used to have
+ U-Boot create a DFU class device via USB. This command
+ requires that the "dfu_alt_info" environment variable be
+ set and define the alt settings to expose to the host.
+
+ CONFIG_DFU_MMC
+ This enables support for exposing (e)MMC devices via DFU.
+
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
CONFIG_JFFS2_NAND_DEV